Rottnest Island is in the Indian Ocean, 18 kilometres from Perth, lying 32.000° south of the equator, and so enjoys moderate, dry weather in October.
| Average high | Average low | Water temp | Mean October rainfall |
| 20.3°C | 13.8°C | 23–19 °C (summer–winter) | 32.4 mm |
(For our US friends the temperatures are 68.5, 56.8, and 73–66 °F).
For those of you planning full days, first light will be at 5:04–4:59, sunrise at 5:29–5:25, sunset at 18:35–18:38, and last light at 19:00–19:03.
Current weather for Rottnest Island and tracking maps for rain in Perth and surrounding areas.
